package com.hbnu.abstract1;

/**
 * 接口：常量和抽象方法的集合
 *
 * @author kittychen
 * @since 2025-09-17 17:03
 */
public interface InterfaceDemo01 {

    /* public static final */ double PI = 3.1415926;
    int a = 10;  // 省略了 public static final

    public abstract void method01();

    void method03();  // 省略了public abstract

    default void method02() {

    }
}
